|  |  | 
 |  |  |         return exist; | 
 |  |  |     } | 
 |  |  |      | 
 |  |  |     //在此界面上有没任何全屏或遮罩窗口 | 
 |  |  |     public bool ExistAnyFullScreenOrMaskWinAbove(string uiName) | 
 |  |  |     { | 
 |  |  |         var ui = GetUI(uiName); | 
 |  |  |         if (ui == null || !ui.IsActive()) | 
 |  |  |         { | 
 |  |  |             // 如果UI不存在或未打开,默认为有被挡住  | 
 |  |  |             return true; | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |         foreach (var uiBase in uiStack) | 
 |  |  |         { | 
 |  |  |             if (uiBase == null) | 
 |  |  |             { | 
 |  |  |                 continue; | 
 |  |  |             } | 
 |  |  |             if (uiBase.name == uiName) | 
 |  |  |             { | 
 |  |  |                 break; | 
 |  |  |             } | 
 |  |  |             if (uiBase.IsActive() && uiBase.openMask) | 
 |  |  |             { | 
 |  |  |                 return true; | 
 |  |  |             } | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |         return false; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |      | 
 |  |  |     // 获取指定类型的所有UI实例 | 
 |  |  |     public List<T> GetAllUI<T>() where T : UIBase | 
 |  |  |     { | 
 |  |  | 
 |  |  |             { | 
 |  |  |                 tempStack.Push(tempUI); | 
 |  |  |             } | 
 |  |  |             else | 
 |  |  |             { | 
 |  |  |                 break; | 
 |  |  |             } | 
 |  |  |         } | 
 |  |  |          | 
 |  |  |         // 将临时栈中的UI重新压入栈中 | 
 |  |  | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     public void ReturnMainUI() | 
 |  |  |     { | 
 |  |  |         List<UIBase> allUI = new List<UIBase>(uiStack); | 
 |  |  |  | 
 |  |  |         for (int i = 0; i < allUI.Count; i++) | 
 |  |  |         { | 
 |  |  |             UIBase uiBase = allUI[i]; | 
 |  |  |             if (!uiBase.isMainUI && uiBase.uiLayer < UILayer.System) | 
 |  |  |             { | 
 |  |  |                 CloseWindow(uiBase); | 
 |  |  |             } | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  |      | 
 |  |  |     /// <summary> | 
 |  |  |     /// 关闭所有UI |